Doctor profile · Federal record

Dr. Kristy Sonstroem, MSW, LCSW

Clinical Social Worker · West Springfield, MA

  • NPI 1699256552
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
103 Myron St Ste A
West Springfield, MA 010891485
(413) 592-1980
fax (413) 439-0100

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Connecticut #010079

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699256552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
639
Distinct HCPCS
3
Medicare allowed
$47,934
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 461 177 $58
90791 Psychiatric diagnostic evaluation 125 125 $135
90834 Psychotherapy, 45 minutes 53 39 $77

In context: peer comparison

Among 13 peers in this city , average services per provider: 235. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristy Sonstroem's medical specialty?
Dr. Kristy Sonstroem practices Clinical Social Worker in West Springfield, MA.
Where does Dr. Kristy Sonstroem practice?
Dr. Kristy Sonstroem practices at 103 Myron St Ste A, West Springfield, MA 010891485. Office phone: 4135921980.
What is Dr. Kristy Sonstroem's NPI?
Dr. Kristy Sonstroem's National Provider Identifier (NPI) is 1699256552, issued by NPPES.
Does Dr. Kristy Sonstroem accept Medicare assignment?
Yes. Dr. Kristy Sonstroem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristy Sonstroem commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychiatric diagnostic evaluation (HCPCS 90791); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.